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经营范围
发明名称
Purification of sand and other minerals from iron
摘要
申请公布号
US2381843(A)
申请公布日期
1945.08.07
申请号
US19420460145
申请日期
1942.09.29
申请人
PILKINGTON BROTHERS LIMITED
发明人
SHERLOCK ALBERT
分类号
C03C1/02
主分类号
C03C1/02
代理机构
代理人
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